@<template>
  <div>
    <!-- 面包屑导航 -->
    <breadcrumb :breadInfo="breadInfo" />

    <!-- 卡片视图 -->
    <el-card>
      <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
    <div id="main" style="width: 700px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from 'echarts'
import _ from "lodash"
import Breadcrumb from '../../common/breadcrumb/Breadcrumb.vue'
export default {
  components: { Breadcrumb },
  data() {
    return {
      breadInfo: ['数据统计', '数据报表'],
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  async mounted() {
    // 基于准备好的dom，初始化echarts实例
      var myChart = echarts.init(document.getElementById('main'));

    // 指定图表的配置项和数据
    
       // 请求报表数据
      const {data:res} = await this.$http.get('reports/type/1')
      if (res.meta.status !== 200) return this.$message.error("获取报表数据失败!")

        // 合并对象
      const result = _.merge(res.data, this.options)
      myChart.setOption(result)
  },


}
</script>

<style>

</style>